An astronaut enters a vortex and crash-lands on a parallel planet where he's not welcome.
Glenn Corbett
Neil Stryker
Cameron Mitchell
George Benedict
Sharon Acker
Dr. Bettina Cooke
Lew Ayres
Prof. Dylan MacAuley
George Coulouris
Max Greene
Dean Jagger
Carl Webster
Steve Franken
Henry Maitland
Tim O'Connor
Dr. Revere
